42313687 has 8 divisors (see below), whose sum is σ = 46316480. Its totient is φ = 38417760.

The previous prime is 42313643. The next prime is 42313699. The reversal of 42313687 is 78631324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42313687 - 2¹⁵ = 42280919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42313087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25887 + ... + 27472.

It is an arithmetic number, because the mean of its divisors is an integer number (5789560).

Almost surely, 2^42313687 is an apocalyptic number.

42313687 is a deficient number, since it is larger than the sum of its proper divisors (4002793).

42313687 is a wasteful number, since it uses less digits than its factorization.

42313687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53433.

The product of its digits is 24192, while the sum is 34.

The square root of 42313687 is about 6504.8971552208. The cubic root of 42313687 is about 348.4659033614.

The spelling of 42313687 in words is "forty-two million, three hundred thirteen thousand, six hundred eighty-seven".